What were madison's goals in the war of 1812

The United States declared war on Britain in 1812. It did so because Britain refused to stop seizing American ships that traded with France—Britain's enemy in Europe. Sometimes there were also seizures of American sailors. These seizures were known as impressment

food chain i would say only because there is competition on getting food and survival

that would be the steamboat because none of the other things are forms of transportation